General rapid motor vehicle exhaust spark arrester

Abstract

The utility model discloses a general fast motor vehicle exhaust spark arrester which comprises a spark arrester shell and a valve element, the spark arrester shell comprises a spark arrester shell body and an air inlet sleeve, an air inlet sleeve flange plate is arranged at the first end of the air inlet sleeve, and the second end of the air inlet sleeve is used for being fixedly connected with an exhaust tail pipe; a body flange plate is arranged at the air inlet end of the spark arrester shell body, one of the air inlet sleeve flange plate and the body flange plate is provided with an inserting groove, the other one of the air inlet sleeve flange plate and the body flange plate is provided with an inserting piece, and when the spark arrester shell body and the air inlet sleeve are assembled and communicated, the inserting piece is inserted into the inserting groove. The air inlet sleeve flange plate and the body flange plate are fixed through a fixing device. The body flange plate and the air inlet sleeve flange plate are connected in a slot insertion piece mode, the installation and disassembly process is simple, rapid disassembly and assembly can be achieved, and installation is firm and stable.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of the device of extinguishing engine exhaust spark, specifically relates to a general quick type motor vehicle exhaust spark extinguisher. BACKGROUND

[0002] When the motor vehicle enters the fire-prohibited area to work, the motor vehicle exhaust spark extinguisher must be equipped according to the regulation. At present, the motor vehicle exhaust spark extinguisher is applied to the tail pipe end of the automobile exhaust pipe, and the special structure in the spark extinguisher is used to block the sparks generated in the exhaust tail pipe, so that the vehicle is safe when working in various areas (flammable and explosive factory area, gas station, gas filling station, oil depot and other area places), and the fire accident rate can be effectively reduced.

[0003] The connecting type motor vehicle exhaust spark extinguisher is fixed on the exhaust tail pipe of the motor vehicle by the clamp, or a longitudinal long groove is opened at the air inlet, and the clamp is clamped on the exhaust tail pipe of the motor vehicle by the elasticity of the air inlet. Although the two installation modes are simple, the connection is not firm, and the motor vehicle exhaust spark extinguisher is easy to fall off and has fire hidden dangers. The patent number 200620023921.0 "safety fireproof cap" discloses the technology that the bolt clamping clamp is additionally installed at the longitudinal long groove of the air inlet end of the safety fireproof cap, the safety fireproof cap is clamped on the exhaust tail pipe of the motor vehicle by the bolt clamping clamp, the installation mode is safe and reliable, but it is difficult to fasten and loosen the bolt clamping clamp, the time for installing and uninstalling the safety fireproof cap is relatively long, and the size cooperation requirement of the inner diameter of the air inlet of the safety fireproof cap and the outer diameter of the exhaust tail pipe is relatively high. SUMMARY

[0004] The utility model discloses a general quick type motor vehicle exhaust spark extinguisher, solve the technical problem that the existing exhaust spark extinguisher and exhaust tail pipe assembly simple stability is poor or assembly complex.

[0005] In order to realize the above-mentioned utility model purposes, the general quick type motor vehicle exhaust spark extinguisher provided by the utility model is realized by adopting the following technical scheme:

[0006] A general quick type motor vehicle exhaust spark extinguisher, including spark extinguisher casing and valve core, the spark extinguisher casing includes:

[0007] The spark extinguisher casing body and the air inlet sleeve pipe, the first end of the air inlet sleeve pipe is provided with the air inlet sleeve pipe flange plate, the air inlet end of the spark extinguisher casing body is provided with the body flange plate, and the second end of the air inlet sleeve pipe is used for fixedly connecting the exhaust tail pipe;

[0008] One of the air inlet sleeve flange plate and the body flange plate is provided with a slot, and the other is provided with a plug, the plug is inserted into the slot when the air inlet sleeve and the body are assembled, and the air inlet sleeve flange plate and the body flange plate are fixed by a fixing device.

[0009] The universal quick motor vehicle exhaust spark arrester as described above, the air inlet sleeve flange plate and the body flange plate are square, and the slot is located on three edges of the square.

[0010] The universal quick motor vehicle exhaust spark arrester as described above, the flange plate with the plug is provided with a limiting piece on an edge opposite to the slot.

[0011] The universal quick motor vehicle exhaust spark arrester as described above, the fixing device comprises a flange plate connecting bolt.

[0012] The universal quick motor vehicle exhaust spark arrester as described above, an end of the flange plate connecting bolt is provided with a screwing part.

[0013] The universal quick motor vehicle exhaust spark arrester as described above, a spring is arranged between the screwing part and one of the air inlet sleeve flange plate and the body flange plate.

[0014] The universal quick motor vehicle exhaust spark arrester as described above, the valve core comprises a first valve core part and a second valve core part connected, a cavity is formed between the first valve core part and the second valve core part, a plurality of openings are arranged on the first valve core part, and an inclined limiting piece is arranged at the opening, and the second valve core part is provided with turbine blades.

[0015] The universal quick motor vehicle exhaust spark arrester as described above, the openings are located on the vertical plane of the valve core central axis, the projection of the limiting piece on the vertical plane of the valve core central axis covers the opening, and at least part of the projection of the turbine blades on the vertical plane of the valve core central axis intersects or overlaps.

[0016] The universal quick motor vehicle exhaust spark arrester as described above, the valve core comprises a central axis, the motor vehicle exhaust spark arrester comprises a connecting shaft and a handle, the connecting shaft is rotationally connected with the spark arrester shell body, and the connecting shaft is assembled with the central axis of the valve core to realize linkage.

[0017] The universal quick motor vehicle exhaust spark arrester as described above, wherein the valve core is assembled with the central axis through a fixing piece, and the fixing piece fixes the connecting shaft.

[0018] Compared with the prior art, the utility model have advantages and positive effects that: the utility model discloses general quick motor vehicle exhaust spark arrester includes spark arrester casing and valve core, and spark arrester casing includes spark arrester casing body and air inlet sleeve, and the first end of air inlet sleeve is provided with air inlet sleeve flange plate, and the air inlet end of spark arrester casing body is provided with body flange plate, and the second end of air inlet sleeve is used for fixedly connecting exhaust tail pipe, one of air inlet sleeve flange plate and body flange plate is provided with insertion slot, and the other is provided with insertion piece, when spark arrester casing body and air inlet sleeve assembly communicate, the insertion piece is inserted in the insertion slot, and air inlet sleeve flange plate and body flange plate are fixed through fixing device, the utility model discloses exhaust spark arrester adds air inlet sleeve, and the second end of air inlet sleeve is fixed on exhaust tail pipe, and body flange plate and air inlet sleeve flange plate are inserted piece type connection, when installing, the insertion piece is inserted in the insertion slot and is fixed through fixing device, when disassembling, only need to loosen fixing device, and the insertion piece is extracted from the insertion slot, and the disassembling can be completed, thus, the utility model discloses simple installation and disassembly process, can realize quick assembly and disassembly, and installation is firm and stable.

[0019] Other features and advantages of the present application will become more apparent from the following detailed description when read in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the structure schematic diagram of the embodiment of the utility model;

[0021] Figure 2 It is the exploded view of the embodiment of the utility model spark arrester casing body and air inlet sleeve;

[0022] Figure 3 It is the exploded view of the embodiment of the utility model spark arrester casing body and air inlet sleeve.

[0023] Figure 4 、 5 It is the schematic diagram of valve core;

[0024] Figure 6 It is the exploded view of valve core;

[0025] Figure 7 It is the section view of spark arrester at connecting shaft.

[0026] In the drawing: 1, spark arrester casing body;11, body flange plate;111, insertion slot;12, rotating hole;

[0027] 2, air inlet sleeve;21, air inlet sleeve flange plate;211, insertion piece;212, limit stopper;

[0028] 51, flange connecting bolt; 511, screwing part; 52, spring;

[0029] 31, first valve core part; 311, opening; 312, baffle;

[0030] 32, second valve core part; 321, turbine blade;

[0031] 33, central shaft;

[0032] 34, fixing part;

[0033] 41, connecting shaft; 42, handle. DETAILED DESCRIPTION

[0034] The technical scheme of the utility model will be explained in further detail below in combination with the drawings and specific embodiments.

[0035] As shown in the drawings, a general quick motor vehicle exhaust spark arrester comprises a spark arrester shell and a valve core. Figures 1-3

[0036] After the spark arrester shell body 1 and the air inlet sleeve 2 are connected and assembled, the axes of the two are the same, and the inner diameters of the two are the same.

[0037] The valve core is located in the spark arrester shell body 1.

[0038] The first end of the air inlet sleeve 2 is provided with an air inlet sleeve flange 21, and the second end of the air inlet sleeve 2 is used for fixedly connecting an exhaust tail pipe.

[0039] The air inlet end of the spark arrester shell body 1 is provided with a body flange 11.

[0040] The spark arrester shell body 1 and the air inlet sleeve 2 are assembled and connected, the body flange 11 and the air inlet sleeve flange 21 are detachably connected, and the spark arrester shell body 1 is assembled and connected with the air inlet sleeve 2 through the body flange 11 and the air inlet sleeve flange 21.

[0041] One of the air inlet sleeve flange 21 and the body flange 11 is provided with a slot, and the other is provided with a plug, when the spark arrester shell body 1 and the air inlet sleeve 2 are assembled and connected, the plug is inserted into the slot, and the air inlet sleeve flange 21 and the body flange 11 are fixed through a fixing device.

[0042] ​By additionally arranging the air inlet sleeve 2 on the exhaust spark arrester shell body 1, the second end of the air inlet sleeve 2 is fixed on the exhaust tail pipe, the body flange plate 11 of the spark arrester shell body 1 and the air inlet sleeve flange plate 21 of the air inlet sleeve 2 are connected in the plug slot plug type, during installation, the plug is inserted into the plug slot and fixed through the fixing device, during disassembly, only the fixing device is loosened, and the plug is pulled out of the plug slot to complete the disassembly.

[0043] The air inlet sleeve flange plate 21 and the body flange plate 11 are square, and the plug slot is located on three edges of the square.

[0044] The flange plate with the plug is provided with a limiting baffle on an edge opposite to the plug slot.

[0045] In the embodiment, the plug slot 111 is formed on three edges of the square body flange plate 11. The plug 211 is formed on the air inlet sleeve flange plate 21.

[0046] Three edges of the square body flange plate 11 are connected with a vertical folded edge perpendicular to the square body flange plate 11, the vertical folded edge is connected with a parallel folded edge perpendicular to the vertical folded edge, the parallel folded edge is parallel to the square body flange plate 11, and a space formed by the square body flange plate 11, the vertical folded edge and the parallel folded edge is the plug slot 111.

[0047] Three edges of the square air inlet sleeve flange plate 21 form the plug 211.

[0048] The fourth edge of the square air inlet sleeve flange plate 21 is provided with the limiting baffle 212.

[0049] The limiting baffle 212 is a folded edge formed on the fourth edge, which can be in contact with the fourth edge of the body flange plate 11 to form limiting.

[0050] The limiting baffle 212 is arranged perpendicularly to the air inlet sleeve flange plate 21.

[0051] When the spark arrester shell body 1 and the air inlet sleeve 2 are assembled in place, the plug 211 is inserted into the plug slot 111, and the limiting baffle 212 is in contact with the fourth edge of the body flange plate 11.

[0052] In order to ensure the stability of the assembly of the spark arrester shell body 1 and the air inlet sleeve 2, the fixing device comprises a flange plate connecting bolt 51.

[0053] In order to facilitate the operation of the flange plate connecting bolt 51, an end of the flange plate connecting bolt 51 is provided with a screwing part 511.

[0054] A spring 52 is arranged between the screwing part 511 and one of the air inlet sleeve flange plate 21 and the body flange plate 11.

[0055] When the spark arrester shell body 1 is assembled with the air inlet sleeve 2, only the plug 211 is inserted into the slot 111, which is convenient and fast.

[0056] The motor vehicle selects a suitable size of the spark arrester according to its displacement, the air inlet sleeve is fixed on the exhaust tail pipe all the time without disassembly, and only the corresponding size of the spark arrester body flange plate is quickly installed on the plug of the air inlet sleeve flange plate during use, and the installation can be realized by tightening the fixing device, which is convenient and fast, realizes the quick connection and disassembly of the spark arrester, and the spark arrester can be installed and disassembled at any time, even when there is no handy tool.

[0057] As shown in Figures 4-6 The valve core includes a first valve core part 31 and a second valve core part 32 connected, a cavity is formed between the first valve core part 31 and the second valve core part 32, and the first valve core part 31 is located upstream of the second valve core part 32 in the gas flow direction.

[0058] A plurality of openings 311 are arranged on the first valve core part 31, and an inclined baffle 312 is arranged at the opening 311.

[0059] The openings 311 are located on the vertical plane of the valve core center axis, the projection of the baffle 312 on the vertical plane of the valve core center axis covers the opening 311, and at least part of the projection of the turbine blade 321 on the vertical plane of the valve core center axis intersects or overlaps.

[0060] The second valve core part 32 adopts a turbine form, and the exhaust gas forms a rotating gas flow when passing through the valve core in the spark arrester, and if there is a spark, it will touch the baffle 312 left on the opening of the first valve core part 31, thereby achieving the purpose of extinguishing the spark, effectively reducing the temperature, pressure and damping of the exhaust gas, and reducing the exhaust resistance and power loss.

[0061] The valve core includes a center axis 33, and the first valve core part 31 and the second valve core part 32 are both installed on the center axis 33.

[0062] The motor vehicle exhaust spark arrester includes a connecting shaft 41 and a handle 42, and the connecting shaft 41 is rotationally connected with the spark arrester shell body 1.

[0063] Two rotating holes 12 are arranged on the spark arrester shell body 1, and the connecting shaft 41 is rotatably arranged in the rotating holes 12.

[0064] The connecting shaft 41 is assembled with the center shaft 33 of the valve core to realize linkage. The handle 42 drives the connecting shaft to rotate, and the connecting shaft 41 drives the center shaft 33 of the valve core to rotate.

[0065] When the connecting shaft 41 drives the valve core to rotate to the center shaft 33 of the valve core coincides with the axis of the spark arrester shell body 1, the valve core is closed, and the spark can be extinguished. When the connecting shaft 41 drives the valve core to rotate to the center shaft 33 of the valve core is perpendicular to the axis of the spark arrester shell body 1, the valve core is opened, and can be used in the scene without using the spark arrester, to facilitate the exhaust. The handle 42 can be operated to close the valve core when entering the fire-prohibited area, and open the valve core when driving away from the fire-prohibited area.

[0066] The valve core is assembled with the center shaft 33 through the fixing piece 34, and the fixing piece 34 simultaneously fixes the connecting shaft 41 and the center shaft 33.

[0067] In order to ensure the stability of the rotating process of the connecting shaft 41 and limit the rotating range, the limiting device is arranged on the spark arrester shell body 1, the limiting plate is arranged on the handle 42, the limiting groove is arranged on the limiting plate, and the limiting groove is matched with the limiting device.

[0068] The above examples are only used to illustrate the technical solutions of the present application, but not to limit them. Although the present application has been described in detail with reference to the foregoing embodiments, the technical solutions recorded in the foregoing embodiments can still be modified by those skilled in the art, or some technical features can be replaced by equivalent ones. The modification or replacement does not make the corresponding technical solutions deviate from the spirit and scope of the technical solutions claimed by the present application.

Claims

1. A universal quick-acting mobile vehicle exhaust spark arrester comprising a spark arrester housing and a valve core, characterized in that, The spark arrester shell comprises: The spark arrester shell body and the air inlet sleeve, the first end of the air inlet sleeve is provided with an air inlet sleeve flange, the air inlet end of the spark arrester shell body is provided with a body flange, the second end of the air inlet sleeve is used for fixedly connecting the exhaust tail pipe; One of the air inlet sleeve flange and the body flange is provided with a slot, and the other is provided with a plug, when the spark arrester shell body and the air inlet sleeve are assembled in communication, the plug is inserted into the slot, and the air inlet sleeve flange and the body flange are fixed by a fixing device.

2. The universal quick-action mobile vehicle exhaust spark arrestor of claim 1, wherein, The air inlet sleeve flange and the body flange are both square, and the slot is located on three edges of the square.

3. The universal quick-action mobile vehicle exhaust spark arrestor of claim 2, wherein, The flange without the plug is provided with a limiting piece on the edge opposite to the slot.

4. The universal quick-action mobile vehicle exhaust spark arrestor of claim 1, wherein, The fixing device comprises a flange connecting bolt.

5. The universal quick-action mobile vehicle exhaust spark arrestor of claim 4, wherein, The end of the flange connecting bolt is provided with a screwing part.

6. The universal quick-action mobile vehicle exhaust spark arrestor of claim 5, wherein, A spring is arranged between the screwing part and one of the air inlet sleeve flange and the body flange.

7. The universal quick-action mobile vehicle exhaust spark arrestor of claim 1, wherein, The valve core comprises a connected first valve core part and a second valve core part, a cavity is formed between the first valve core part and the second valve core part, a plurality of openings are arranged on the first valve core part, an inclined baffle is arranged at the opening, and the second valve core part is provided with turbine blades.

8. The universal quick-action mobile vehicle exhaust spark arrestor of claim 7, wherein, The openings are all located on the vertical plane of the valve core central axis, the projection of the baffle on the vertical plane of the valve core central axis covers the opening, and at least part of the projection of the turbine blades on the vertical plane of the valve core central axis intersects or overlaps.

9. The universal quick-acting motor vehicle exhaust spark arrestor according to any one of claims 1-8, characterized in that, The valve core comprises a central axis, the motor vehicle exhaust spark arrester comprises a connecting shaft and a handle, the connecting shaft is rotationally connected with the spark arrester shell body, and the connecting shaft is assembled with the central axis of the valve core to realize linkage.

10. The universal quick-action mobile vehicle exhaust spark arrestor of claim 9, wherein, The valve core is assembled with the central axis through a fixing piece, and the fixing piece fixes the connecting shaft.

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